
DWGSeriesGSM/CDMAVoIPGatewayUserManual
4
ModelNetworkTypeInterface
DWG2001GSM/CDMA1WAN,1LAN,1SIMchannel
DWG2004GSM/CDMA1W AN,3LAN,4SIMchannels
DWG2008GSM/CDMA1W AN,3LAN,8SIMchannels
Table1‐1DWG2001/DWG2004/DWG2008interfacedescription
1.4Functionsandfeatures
1.4.1Protocolstandardsupported:
z StandardSIPandMGCPprotocol;
z SimpleTraversalofUDPoverNATs(STUN);
z Point‐to‐pointprotocoloverEthernet(PPPOE);
z HypertextTransferProtocol(HTTP);
z DynamicHostConfigurationProtocol(DHCP);
z DomainNameSystem(DNS);
z GSM/CDMA;
z ITU‐TG.711α‐Law/μ‐Law、G.723.1、G.729AB;
1.4.2Systemfunction
z PLC:Packetlossconcealment
z VAD:Voiceactivitydetection
z CNG:ComfortNoiseGeneration
z Local/RemoteSIMcardworkmode
z Adjustablegainofport
z DTMFadjustment
z Balancealarm
z Lock/unlockSIM/UIM
z Mobilenumberdisplayrejection
z Sending/receivingSMS
z CustomizeIVRRecording
z Whiteandblack
list
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